A handful of New York City public schools have netted some famous keynote speakers for their graduation ceremonies, including Steve Madden, the shoe designer, and Lin-Manuel Miranda, who wrote the Tony Award-winning musical “In the Heights,” the Department of Education announced Wednesday. Here’s the list.

City officials announced in January that they were shutting Williamsburg Charter High School in Brooklyn, because of concerns about its management. Court proceedings have stalled the city’s efforts, and with days to go until the school year ends, the freshmen, sophomores and juniors who intended to stay on at the school still have no idea whether it will be open in the fall.

Three students at city public schools won a hefty prize from the American Museum of Natural History last week: college scholarships worth $30,000. While impressive, the prize was not quite up to the winnings of Robert Salo, a James Madison High School senior who on Tuesday won the New York Lottery’s “Win $1,000 a Week for Life” game.

Supporters gathered Wednesday night to raise funds to bring table tennis to more middle and high schools in the city.

The city is considering changes to the student discipline code to reduce students to suspensions. But at a demonstration, others said the changes did not go far enough.

Beginning Thursday, join a Twitter campaign to share your summer reading lists with others. The Learning Network, The Times’s teaching and learning blog, invites you to use the hashtag #summerreading to share recommendations, photos of your stack of beach books, or more general thoughts on why summer seems to be the season for reading. The best responses will be posted on the blog.

The latest episode of a teacher being accused of having sex with a student comes days after Mayor Michael R. Bloomberg called on the state to pass legislation that would give the city greater power to fire teachers accused of sexual misconduct.

The city made 327 arrests at the city’s schools this winter, and handed out 555 summons, according to new data released by the New York Police Department. It was a slight uptick from the 279 students arrested during the 55 school days between Oct. 1 and Dec. 31, 2011.

A Queens charter school that the city has been trying to close for months won an extension of its temporary restraining order on Thursday, allowing it remain open until the judge rules on the case, which could take months.

A hearing to determine whether the city can move ahead with plans to close Williamsburg Charter High School had nearly finished for the day when Andrew Rauchberg, the city’s lawyer, stood up and asked Judge Ellen M. Spodek if the city could start registering its students in other schools. Raising her voice, Judge Spodek told Mr. Rauchberg that the city might consider waiting until next year to revoke the school’s charter if it wanted to aid the students. “If you’re interested in what’s fair for the students, that would be fair for the students,” she said, drawing cheers from the school’s supporters.